07/12/1949
https://www.presidency.ucsb.edu...
"I wish to call to the attention of the Congress the immediate urgency of action on legislation to authorize the construction of the St. Lawrence seaway and power project."
"The seaway will be self-liquidating through the collection of tolls."
"It has been shown over and over again that the cost of the relatively small amount of materials and manpower needed for this project will be fully repaid in tolls and power receipts; and, in addition,..."
"We can have an adequate voice in setting the tolls on all these cargoes only if we join in constructing the seaway."